Pen tip material 14k gold. Mechanism Cartridge, converter dual use type. Size Total length: about 147mm (when stored). Total length: about 160mm (when writing). Torso diameter: about 13mm. Cap diameter: about 16mm (excluding clip). Maximum diameter: about 20mm (including clip). There are noticeable scratches on the rear of the barrel and scratches on the cap ring, but it is in a condition that you can use it without hesitation. International Buyers – Please Note. Thank you for your understanding.